<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.1//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml" version="XHTML+RDFa 1.1"
    >
<head>
  <title>Test</title>
</head>
<body>
<p xmlns:_="http://example.org/" property="_:test">Test</p>
</body>
</html>